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dénomination des marchandises pentaoxyde de diphosphore; acide phosphorique; acides polyphosphoriques, de constitution chimique définie ou non.
description of goods diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined.
substance-étalon: tryptophane (pureté/teneur >= 99 %) séché sous vide sur diphosphore pentoxyde
standard substance: tryptophan (purity/content >= 99 %) dried under vacuum over phosphorous pentoxide
2809 | pentaoxyde de diphosphore; acide phosphorique, acides polyphosphoriques, de constitution chimique définie ou non | ns |
2809 | diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined | ns |
substance-étalon: tryptophane (pureté/teneur >= 99 %) séché sous vide sur diphosphore pentoxyde
standard substance: tryptophan (purity/content >= 99 %) dried under vacuum over phosphorous pentoxide